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English definition of “assert”

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assert

verb
 
 
/əˈsɜːt/
assert yourself to behave or speak in a strong, confident way: She has to learn to assert herself.Announcing, informing and stating
assert your authority/control/independence, etc to do something to show other people that you have powerPower to control
[T] formal to say that something is certainly true: [+ that] He asserts that she stole money from him.Announcing, informing and stating
(Definition of assert from the Cambridge Learners Dictionary © Cambridge University Press)
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